The following table presents the changes in the carrying value of goodwill by segment for the six months ended June 30, 2024 (in millions):


	Mobility		Delivery		Freight		Total Goodwill
Balance as of December 31, 2023	$	2,337	$	4,369	$	1,445	$	8,151






Foreign currency translation adjustment	(65)		—		(3)		(68)
Balance as of June 30, 2024	$	2,272	$	4,369	$	1,442	$	8,083

The components of intangible assets, net were as follows (in millions, except years):


	Gross Carrying Value		Accumulated Amortization		Net Carrying Value		Weighted Average Remaining Useful Life - Years
December 31, 2023
Consumer, Merchant and other relationships	$	1,800	$	(697)	$	1,103	8
Developed technology	890		(621)		269		5
Trade name, trademarks and other	154		(101)		53		4
Intangible assets	$	2,844	$	(1,419)	$	1,425


	Gross Carrying Value		Accumulated Amortization		Net Carrying Value		Weighted Average Remaining Useful Life - Years
June 30, 2024
Consumer, Merchant and other relationships	$	1,790	$	(790)	$	1,000	8
Developed technology	890		(663)		227		4
Trade name, trademarks and other	146		(108)		38		4
Intangible assets	$	2,826	$	(1,561)	$	1,265

Amortization expense for intangible assets subject to amortization was $91 million and $70 million for the three months ended June 30, 2023 and 2024, respectively. Amortization expense for intangible assets subject to amortization was $184 million and $154 million for six months ended June 30, 2023 and 2024, respectively.

The estimated aggregate future amortization expense for intangible assets subject to amortization as of June 30, 2024 is summarized below (in millions):


	Estimated Future Amortization Expense
Year Ending December 31,
Remainder of 2024	$	136
2025	248
2026	186
2027	171
2028	127
Thereafter	395
Total	$	1,263